Show HN: Tapeline – a stock scanner that publishes its formula and its losses

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Tapeline — Read the tape · Stock scanner with public formula<br>Live market scanning<br>A scanner that<br>shows its work.<br>The Tapeline Score blends six factors at published weights into one read on every ticker. Every call goes on a permanent public record — same day, no edits.<br>Try Premium free for 14 days →See the record<br>14-day Premium trial · no credit card · cancel in one click

Scanner<br>Every liquid US stock & ETF, scored live on 6 factors.

Live

Min score · 0All sectors↓ Score (high first)<br>Showing 6 of 2,500 · updated just now

TickerSectorScoreConfSignal1DWhyNVDATech0.094%HIGH CONVICTION+2.14%Trend strength at a fresh cycle high; insider net buying over the last 90 days; momentum accelerating into the move.MSFTTech0.091%HIGH CONVICTION+1.02%Leadership uptrend with steepening slope; outperforming the sector by a wide margin; smart-money flow positive.LLYHealthcare0.088%STRONG SETUP+0.74%Outperforming the sector on every timeframe — fundamentals top decile (revenue + margin trend + ROE).CATIndustrials0.082%STRONG SETUP+0.45%Primary trend decisively up across all timeframes; insider Form 4 buying picking up; favourable macro backdrop.XOMEnergy0.078%CONSTRUCTIVE-0.32%Insider buying picking up; macro tailwind on rates + crude; trend lagging on the 1M but improving.AAPLTech0.091%NEUTRAL-0.15%Mixed signals across factors — fundamentals fine, trend rolling under the 50DMA, smart-money flat.<br>Live mock · hover any score in the app for the full 6-factor breakdown

Tickers tracked<br>active universe

News items indexed<br>rolling, ~5min refresh

Scoring cadence<br>60s<br>every market tick

Current regime<br>VIX + breadth + 10Y + DXY

Why Tapeline<br>Three things every other scanner won’t do.<br>01<br>Published weights<br>Trend 25% · RS 20% · Fund 15% · SM 15% · Macro 15% · Mom 10%. No black box. No hidden multipliers. Every weight change is announced before it ships.

02<br>Back-checked vs SPY<br>Top-10 picks logged at close. Next-day return + alpha vs SPY recorded automatically. The losers stay on the page. Audit any day.

03<br>Descriptive, not prescriptive<br>Tapeline never tells you to buy, sell, or hold. Scores describe what the tape is doing — the decision is yours. Read the formula.

How it works<br>From data to decision in one glance.<br>Six factors, exact weights<br>Trend 25% · relative strength 20% · fundamentals 15% · smart money 15% · macro 15% · momentum 10%. Same weights every tick.

One sentence per ticker<br>Plain-English “Why” on every row — no chat session required, no premium gate. Hover the score for the factor breakdown.

Every call on the record<br>Top-10 picks logged daily with the original reasoning preserved. Performance vs SPY recorded next session. No cherry-picking, no hindsight edits.

From the blog<br>How the score works, on the record.<br>Methodology notes, design choices, and accountability writeups. Every post is anchored to public data — no opinion-only takes.<br>*:nth-child(n+4)]:hidden sm:[&>*:nth-child(n+4)]:block">13 May 2026<br>What 'Smart Money' actually means in the Tapeline Score (and why it's not what you think).<br>'Smart money' is the most misused phrase in retail finance. It's not influencer alpha, not the latest hedge-fund headline, not yesterday's CNBC clip. Here's what Tapeline's Smart Money factor — 15% of the composite — actually measures, what the data sources are, and where the lags lie.

13 May 2026<br>Stock screener vs stock scanner: the difference matters in 2026.<br>Everyone uses 'screener' and 'scanner' interchangeably. They're not the same thing — and the difference predicts whether your tool will earn its slot in your daily workflow or get cancelled in three months.

12 May 2026<br>Reading a Tapeline Score: a 10-minute walkthrough on $NVDA.<br>Most scanner scores are a number with no instructions. This is the opposite: a worked example on NVIDIA showing what each of the six factors is saying, how to read the radar, and when the composite is telling you the trade is harder than it looks.

3 May 2026<br>How to evaluate a stock scanner: 5 questions before you pay.<br>Most scanner sales pages are 50 filters and a screenshot. Here are the five questions that actually predict whether a tool will be useful in six months — and how Finviz, Trade Ideas, Zacks, and Tapeline answer them.

3 May 2026<br>What our signal labels mean: HIGH CONVICTION through WEAK.<br>Six descriptive labels, no buy/sell language. Here's what each one represents in the underlying score, why we picked descriptive words, and what it means when a ticker moves between them.

3 May 2026<br>Why we score 2,500 tickers, not 5,000.<br>A third-party market-data feed covers thousands of US tickers. We actively score ~2,500 by daily dollar-volume — here's why that cutoff exists, what we do with the rest, and why bigger isn't better.

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Common questions<br>Things people ask before signing up.<br>Is this financial advice?+No. Tapeline publishes a quantitative score derived from public market data. Scores describe what the data is doing — they never tell you to buy, sell, or hold. See the risk...

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