What's worth noticing
in your holdings.
Holdings-relevant depth and breadth — with you through the cycle, as lasting judgment compounds.
Portfonia is a software tool that keeps tracking news, macro events and company developments, mapping them to the holdings you enter.
Your holdings, and every report built from them, are encrypted in our database. Each AI call carries only what that report needs.
For investors who stay through the cycle
Portfonia is a software tool for investors who stay through the cycle. A deep reading of trends, cycles, and fundamentals takes time, and it needs information closely tied to what you hold, delivered continuously and reliably.
Our work is to take what is scattered across news, macro events, and company developments, and map it back, systematically, onto every position you hold. That is how you get depth and breadth that actually fit the names you follow — so you can see where an asset sits, what is changing around it, and which signals are worth a closer look. Judgment stays yours. We make sure that judgment sits on solid information.
Market cycles rise and fall. Portfonia keeps the information flowing through every one of them.
How it works
Three moving partsHoldings ingestion
Upload CSV, Excel, Markdown or plain text describing your positions. An LLM normalizes it into structured records — no manual re-entry.
Market & macro tracking
Daily price, FX, and curated macro-news scanning across reputable sources — English-language primary, Chinese-language where the instrument calls for it.
Personalized briefings
Briefings arrive weekly, Mon / Wed / Fri or daily depending on your plan, tied to your actual holdings — price anomalies and a forward calendar. Technical position is available on the website.
Every causal claim ships with a confidence label — Calibrated uncertainty, made legible instead of hidden.
What a briefing actually looks like
Real market data, fictional holdingsPortfolio snapshot
Total value: $968,326 (FX date: 2026-07-31)
| Holding | Currency | Value | Weight | Custodian | Asset class |
|---|---|---|---|---|---|
| TSMC (TSM) | USD | 209,648 | 21.7% | A | Stocks |
| Microsoft (MSFT) | USD | 80,245 | 8.3% | A | Stocks |
| Alphabet (GOOGL) | USD | 69,045 | 7.1% | A | Stocks |
| Custodian A subtotal | USD | 358,938 | 37.1% | ||
| QQQ (QQQ) | USD | 160,822 | 16.6% | B | US tech ETF |
| VOO (VOO) | USD | 130,814 | 13.5% | B | US broad ETF |
| BOXX (BOXX) | USD | 47,904 | 4.9% | B | Bond fund |
| Cash | USD | 2,130 | 0.2% | B | Cash equivalent |
| Custodian B subtotal | USD | 341,670 | 35.3% | ||
| Pershing Square Holdings (PSH.L) | GBP | 108,713 | 15.1% | C | Stocks |
| Custodian C subtotal (converted to USD) | USD | 146,338 | 15.1% | ||
| USD cash & FX | USD | 121,380 | 12.5% | D | Cash equivalent |
By market: US 84.9%, UK 15.1%
By currency: USD 84.9%, GBP 15.1%
By asset class: Stocks 52.2%, US tech ETF 16.6%, US broad ETF 13.5%, Bond funds 4.9%, Cash equivalents 12.8%
FX rates used: GBP 0.74 vs USD
Macro events
The FOMC kept rates at 3.50-3.75% on 07-29 in a 9-3 vote, with Hammack, Kashkari and Logan favouring a 25 bp hike. The next day brought slower growth than the Q1 pace alongside firm year-on-year inflation. [Probable] Equities fell on the decision day and recovered over the next two sessions.
Does slower growth, with core inflation still at 3.3%, change the policy path signalled by the July dissents? [Speculative]
The dissents favoured higher rates, while the Q2 real GDP advance estimate of +1.5% annualized on 07-30 was below Q1’s +2.1% pace. These releases leave growth and inflation pulling the policy discussion in different directions. [Probable]
Rate-path expectations can transmit into the valuations of long-duration equities in this portfolio: TSMC, Microsoft, Alphabet, QQQ and VOO. [Probable] BOXX has short-duration exposure, so the channel differs from that of the equity positions. [Probable]
June PCE was -0.1% m/m and +3.7% y/y; core PCE was +0.1% m/m and +3.3% y/y. The modest monthly core reading is a counterweight to the firm annual reading, rather than a settled policy outcome. [Probable]
The remaining uncertainty is whether slower activity and persistent annual inflation continue together. [Speculative] The July Employment Situation on 08-07 is an observable for payrolls and wages alongside this growth-and-inflation tension. [Probable]
If the employment release points to softer activity, watch how rate-path expectations and these equity exposures respond; if wage pressure persists, watch whether the case reflected in the July dissents remains in focus. [Speculative] These are conditional observation paths. [Speculative]
US indices rebounded. On 07-29, S&P 500 was -1.52% and Nasdaq Composite -1.74%; on 07-30 they were +1.66% and +2.78%, followed by +0.70% and +1.00% on 07-31. The sequence shows a recovery after the decision-day drop, without isolating a single cause. [Probable]
Sterling and PSH.L’s USD value. GBPUSD moved from 1.3287 (07-29) to 1.3461 (07-31), +1.3%. PSH.L was +1.8% in GBP over the window and about +3.2% in USD; sterling’s rise contributed to the difference in USD valuation. [Established]
Forward calendar
Scheduled US events over the coming days and the holdings they bear on. Calendar facts only — not forecasts.
| Date | Event | Affected holdings | What to watch |
|---|---|---|---|
| 08-03 | ISM Manufacturing PMI (July) | — | Factory-sector momentum; prices paid |
| 08-06 | Jobless claims | — | Labor market momentum |
| 08-07 | Employment Situation (July) | TSMC, MSFT, GOOGL +2 | Payrolls and wages vs consensus; rate-path implications |
Holdings context
TSMC — 21.7% of the portfolio, the single largest position
TSMC is the largest position at 21.7%, above the 20% single-stock high-concentration threshold. Its +7.64% rise on 07-30 occurred after Microsoft's earnings release; the timing alone does not establish new orders or a TSMC-specific catalyst.
The company-specific background predates this window: on 07-16, TSMC attributed Q2 performance to demand for leading-edge processes, which accounted for 77% of wafer revenue at 7nm and below. [Established] The documented business channel is demand for those processes reaching TSMC through wafer production; Microsoft's cloud growth does not quantify its share of that demand. [Probable]
Expansion also has a cash and margin dimension. The earlier Q2 disclosures show operating cash generation alongside factory investment, while management's Q3 gross-margin guidance of 65-67% is below Q2's 67.7%, despite higher revenue guidance. [Established] More sales therefore do not establish a uniform improvement in production economics. [Probable] Next observables are the revenue mix, factory spending and gross margin in subsequent disclosures; the guidance is not an achieved result.
Microsoft — 8.3% of the portfolio
Microsoft's 8.3% position rose +15.51% on 07-30 after its 07-29 fiscal Q4 release. Revenue was $90.01B; Azure and other cloud services grew 43% year on year. [Established] This is a documented operating development alongside the price move, rather than an explanation inferred from the price chart.
The business channel is cloud-service demand reaching Microsoft's revenue: Microsoft Cloud generated $59.3B, up 27% year on year. Commercial remaining performance obligations of $678B describe contracted revenue still to be recognized, not revenue already earned this quarter. [Established] Realized cloud revenue and the conversion of that contracted balance are distinct observables; the backlog alone does not settle the pace of future growth. [Probable]
Capacity expansion has a cash counterpart: quarterly cash additions to property and equipment were $35.8B, versus $17.1B a year earlier. [Established] This is not a measure of AI spending alone or of investment returns. The next disclosures can show cloud growth alongside infrastructure spending and cash generation; that comparison tests how demand and investment are developing together. [Probable] Microsoft's smaller weight than TSMC's gives the direct position a different portfolio scale, without implying independence between the two businesses.
Exposure & price data
The top three holdings — TSMC 21.7%, QQQ 16.6% and Pershing Square Holdings 15.1% — total 53.4%, above the 50% watch threshold. Stocks are the largest asset-class bucket at 52.2%, above its 50% watch threshold and below the 65% high threshold. TSMC alone accounts for 21.7%.
| Holding | Net % | 3-day % | 5-day % | Worst day (date) | Prev close | Open (gap %) | Intraday range | Close | After-hrs | Trigger |
|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft (MSFT) | +18.99% | +18.14% | +21.75% | +15.51% (2026-07-30) | 450.25 | 449.15 (-0.2%) | 448.49-465.96 | 463.85 | — | single day |
| TSMC (TSM) | +7.89% | +3.04% | +0.21% | +7.64% (2026-07-30) | 402.23 | 418.38 (+4.0%) | 397.73-419.23 | 403.17 | — | single day |
| Alphabet (GOOGL) | +5.77% | +6.72% | +11.38% | +6.73% (2026-07-31) | 333.45 | 340.61 (+2.1%) | 339.78-358.35 | 355.9 | — | single day |
- Microsoft — fiscal Q4 results came after the 07-29 close. [Established]
- TSMC — moved with the semiconductor rebound on 07-30 that followed Microsoft’s results; no TSMC-specific release was confirmed. [Probable]
- Alphabet — Q2 results came on 07-22; no company-specific catalyst for the 07-31 move was identified, and attribution remains open. [Speculative]
Briefing frequency depends on your plan.
See this reading on your own holdings
You have seen how a sample briefing connects events with a portfolio. Enter your holdings to receive a briefing grounded in the positions you enter.
Get startedPortfolio risk
Real-market-data sample with fictional holdings. The same portfolio’s historical volatility, Beta against S&P 500, and risk and deviation against a reference questionnaire: balanced appetite with a short horizon.
Volatility · annualized historical volatility
Historical volatility measures fluctuation in daily returns. The Performance page’s Growth of tracked value vs. benchmarks shows cumulative growth; these are different metrics and cannot substitute for each other. Historical statistics do not predict future results.
Going the distance means balancing opportunity and risk
Opportunity decides how fast you can go; risk decides how steady the ride is. The two reinforce and constrain each other, and you need both. Here you can see how much your portfolio swings, how closely it moves with the market, and how far it sits from the range you stated.
Get startedPortfolio overview
Sample figures, not your holdings. One illustrative portfolio, grouped by market, asset class, and portfolio group.
Portfolio performance
A static year-to-date replay of the sample holdings on real closes, beside S&P 500 and Nasdaq Composite, followed by allocation history and monthly performance against S&P 500.
- Portfolio
- S&P 500
- Nasdaq Composite
Portfolio performance
+9.84%
Year to date
Asset-class allocation history
- Individual stock
- US broad-market equity
- US tech equity
- Bond fund
- Cash & equivalents
Monthly performance
- Portfolio (approx. TWR)
- S&P 500
Technical position
| Holding | vs 50-day avg | vs 200-day avg | 52-wk range position | 20-day vol (ann.) |
|---|---|---|---|---|
| TSMC (TSM) | -4.9% | +13.6% | 71% | +49.0% |
| Microsoft (MSFT) | +16.4% | +7.5% | 60% | +60.2% |
| Alphabet (GOOGL) | -0.7% | +9.3% | 78% | +46.1% |
| QQQ (QQQ) | -3.7% | +6.9% | 70% | +23.8% |
| VOO (VOO) | +0.4% | +7.1% | 93% | +12.6% |
| BOXX (BOXX) | +0.4% | +1.6% | 100% | +0.3% |
| Pershing Square Holdings (PSH.L) | -1.4% | -12.0% | 11% | +24.2% |
Your portfolio deserves a more complete view
From portfolio structure to year-to-date performance, see change in one place.
Get startedJade portfolio tools
The Jade plan includes six tools that read your own holdings against past prices and scenarios. The chart below uses real closing prices for a fixed example portfolio, separate from your holdings; the guides explain each method.
- 60% SPY + 40% AGG
- SPY
- Holdings replay
See how today's unchanged holdings are replayed through past prices, and what cumulative return, volatility and maximum drawdown measure.
- Tail risk (VaR / CVaR)
Read historical loss distributions, the VaR boundary and the average loss beyond it, with their sampling limits.
- Historical stress scenarios
Follow a past market shock and see how each asset class contributed to the example's peak-to-trough return.
- Style exposure
Understand the market styles that most closely resemble recent returns, and why fitted weights differ from actual holdings.
- Tracking against your reference
Compare an unchanged portfolio with daily constant reference weights, separating the final return gap from its variability.
See your portfolio through a wider lens
Explore the history, loss patterns, market styles and reference comparisons behind your own portfolio. Each reading makes its data and method visible, giving you more context for the risks you are watching.
Get startedDeliberately out of scope
Portfonia is a software tool, not an advisory service. The boundary is enforced in code at the template and prompt layer — not left to the model's judgment.
- —No buy / sell / hold / reduce / increase / target-price language. Ever.
- —No trade execution, no broker integrations beyond ingest-only.
- —No tax or capital-gains computation, no P&L from trade history.
- —No options, futures, or derivatives.
- —No threshold price alerts — every broker app already does that.
- —No social or sharing features — holdings are sensitive data.
Frequently asked
Before you ask- Is this investment advice?
- No. Portfonia is a software tool — it gathers what happened in public markets and maps it onto the holdings you have entered. See “Deliberately out of scope” above.
- Is my holdings data safe?
- Yes. Your holdings are encrypted field by field in our database, and so is the data derived from them: reports, daily portfolio snapshots, parsed uploads and change history. AI calls deny training-data collection, and each call carries only what that report needs, never your whole portfolio.
- Which markets and holdings does it support?
- US, UK, European, Japanese and Korean equities, Hong Kong equities, A-shares, Chinese public funds, cash and FX.
- What does it cost?
- Plans start at 0.99 credits per month for a weekly briefing, 1.99 for Monday / Wednesday / Friday briefings, and 2.49 for the Advanced Daily plan with AI Agent data access, and 9.99 for Jade, which adds portfolio risk tools to everything in the Advanced plan. Credits are sold in US$10 and US$20 packs — see Pricing. Active Jade also supports reading and managing current holdings through your own agent; changes require a holdings-write token.