signals_by_year
Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-09-28, from double-top-pattern-follow-through.
| year | signal_count | median_depth_pct |
|---|---|---|
| 2015 | 7 | 7.65 |
| 2016 | 7 | 8 |
| 2017 | 1 | 18.04 |
| 2018 | 15 | 7.9 |
| 2019 | 2 | 13.36 |
| 2020 | 7 | 8.07 |
| 2021 | 6 | 8.33 |
| 2022 | 11 | 9.92 |
| 2023 | 8 | 8.02 |
| 2024 | 9 | 7.8 |
| 2025 | 9 | 9.72 |
| 2026 | 5 | 8.68 |
- Rows × columns
- 12 × 3
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
year |
number | 2,015 to 2,026 | |
signal_count |
number | 1 to 15 | count |
median_depth_pct |
number | 7.65 to 18.04 | percent |
Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.
Run it yourself
This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.
WITH
px AS (
SELECT ticker, date,
toFloat64(argMax(high, _ingest_time)) AS h,
toFloat64(argMax(low, _ingest_time)) AS l,
toFloat64(argMax(close, _ingest_time)) AS c
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('AAPL','MSFT','NVDA','AMZN','GOOGL','META','JPM','JNJ','KO','XOM')
AND date >= '2015-01-01' AND date < today()
GROUP BY ticker, date),
splits AS (
SELECT ticker, groupArray(execution_date) AS split_dates
FROM global_markets.stocks_splits
WHERE execution_date >= '2014-01-01'
GROUP BY ticker),
pivots AS (
SELECT ticker, date, h, l, c,
toUInt8(h = max(h) OVER (PARTITION BY ticker ORDER BY date ROWS BETWEEN 10 PRECEDING AND 10 FOLLOWING)) AS is_peak
FROM px),
framed AS (
SELECT ticker, date, h, is_peak,
groupArray(h) OVER (PARTITION BY ticker ORDER BY date ROWS BETWEEN 60 PRECEDING AND CURRENT ROW) AS h_back,
groupArray(l) OVER (PARTITION BY ticker ORDER BY date ROWS BETWEEN 60 PRECEDING AND CURRENT ROW) AS l_back,
groupArray(is_peak) OVER (PARTITION BY ticker ORDER BY date ROWS BETWEEN 60 PRECEDING AND CURRENT ROW) AS p_back,
groupArray(c) OVER (PARTITION BY ticker ORDER BY date ROWS BETWEEN CURRENT ROW AND 90 FOLLOWING) AS c_fwd,
groupArray(date) OVER (PARTITION BY ticker ORDER BY date ROWS BETWEEN CURRENT ROW AND 90 FOLLOWING) AS d_fwd
FROM pivots),
paired AS (
SELECT ticker, date AS peak2_date, h AS peak2_high, h_back, l_back, c_fwd, d_fwd,
arrayFirst(g -> (p_back[61 - g] = 1)
AND (abs((h_back[61 - g] / h) - 1) <= 0.03)
AND (arrayMin(arraySlice(l_back, 61 - g, g + 1)) <= (0.95 * least(h_back[61 - g], h))),
range(15, 61)) AS gap
FROM framed
WHERE is_peak = 1 AND length(l_back) = 61 AND length(c_fwd) = 91),
necked AS (
SELECT ticker, peak2_date, gap,
greatest(h_back[61 - gap], peak2_high) AS peak_high,
arrayMin(arraySlice(l_back, 61 - gap, gap + 1)) AS neckline,
c_fwd, d_fwd
FROM (
SELECT p.ticker AS ticker, p.peak2_date AS peak2_date, p.peak2_high AS peak2_high,
p.h_back AS h_back, p.l_back AS l_back, p.c_fwd AS c_fwd, p.d_fwd AS d_fwd,
p.gap AS gap, s.split_dates AS split_dates
FROM paired AS p
LEFT JOIN splits AS s ON p.ticker = s.ticker)
WHERE gap > 0
AND arrayCount(d -> (d >= (peak2_date - 150)) AND (d <= (peak2_date + 180)), split_dates) = 0),
confirmed AS (
SELECT ticker,
d_fwd[k_rel + 11] AS confirm_date,
round(100 * ((peak_high - neckline) / peak_high), 2) AS depth_pct
FROM (SELECT *, arrayFirstIndex(x -> x < neckline, arraySlice(c_fwd, 12, 20)) AS k_rel FROM necked)
WHERE k_rel > 0
ORDER BY ticker, confirm_date
LIMIT 1 BY ticker, confirm_date)
SELECT
toYear(confirm_date) AS year,
count() AS signal_count,
round(quantileExact(0.5)(depth_pct), 2) AS median_depth_pct
FROM confirmed
GROUP BY year
ORDER BY year
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