Excluded from the boards: 2026 splits large enough to fake a year-to-date move
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 2026-08-25, from Biggest Stock Gainers & Losers of 2026.
| ticker | unadjusted_ytd_pct | split_price_effect_pct | split_type | split_date |
|---|---|---|---|---|
| BKNG | -96 | -96 | forward split | 2026-04-06 |
| KLAC | -85.1 | -90 | forward split | 2026-06-12 |
| VGT | -84.4 | -87.5 | forward split | 2026-04-21 |
| CVNA | -83.3 | -80 | forward split | 2026-05-08 |
| VUG | -82.1 | -83.3 | forward split | 2026-04-21 |
| HDV | -75.4 | -80 | forward split | 2026-04-29 |
| IWF | -74.3 | -75 | forward split | 2026-04-29 |
| VO | -71.5 | -75 | forward split | 2026-04-21 |
| CRWD | -57.5 | -75 | stock dividend | 2026-07-02 |
| MNST | -38.1 | -50 | stock dividend | 2026-08-11 |
| HON | 13.3 | 100 | reverse split | 2026-06-29 |
| DD | 245.5 | 200 | reverse split | 2026-06-24 |
- Rows × columns
- 12 × 5
- Period covered
- to
- 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 |
|---|---|---|---|
ticker |
text | 12 distinct values (BKNG, CRWD, CVNA…) | |
unadjusted_ytd_pct |
number | -96 to 245.5 | percent |
split_price_effect_pct |
number | -96 to 200 | percent |
split_type |
text | 3 distinct values | |
split_date |
date | 2026-04-06 to 2026-08-11 |
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.
the exact SQL behind every number
WITH complete AS (
SELECT toDate(toTimeZone(window_start, 'America/New_York')) AS d
FROM global_markets.delayed_stocks_minute_aggs
WHERE ticker = 'SPY'
AND window_start >= toDateTime('2026-01-01 00:00:00')
AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) >= 570
AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) < 960
GROUP BY d
HAVING count() >= 380
),
universe AS (
SELECT ticker,
sum(toFloat64(close) * toFloat64(volume)) / uniqExact(toDate(toTimeZone(window_start, 'America/New_York'))) AS adv
FROM global_markets.delayed_stocks_minute_aggs
WHERE window_start >= now() - INTERVAL 21 DAY
AND toDate(toTimeZone(window_start, 'America/New_York')) >= today() - 20
AND toDate(toTimeZone(window_start, 'America/New_York')) IN (SELECT d FROM complete)
AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) >= 570
AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) < 960
GROUP BY ticker
HAVING adv >= 100000000
),
split_terms AS (
SELECT ticker,
argMax(split_to, execution_date) AS new_shares,
argMax(split_from, execution_date) AS old_shares,
round((old_shares / new_shares - 1) * 100, 1) AS split_price_effect_pct,
replaceAll(argMax(adjustment_type, execution_date), '_', ' ') AS split_type,
toString(max(execution_date)) AS split_date
FROM global_markets.stocks_splits
WHERE execution_date BETWEEN toDate('2026-01-01') AND today()
GROUP BY ticker
HAVING new_shares > 0 AND old_shares > 0
AND greatest(new_shares / old_shares, old_shares / new_shares) >= 1.25
),
edges AS (
SELECT ticker,
argMinIf(toFloat64(open), toTimeZone(window_start, 'America/New_York'), toDate(toTimeZone(window_start, 'America/New_York')) = (SELECT min(d) FROM complete)) AS year_open,
argMaxIf(toFloat64(close), toTimeZone(window_start, 'America/New_York'), toDate(toTimeZone(window_start, 'America/New_York')) = (SELECT max(d) FROM complete)) AS latest_close,
countIf(toDate(toTimeZone(window_start, 'America/New_York')) = (SELECT min(d) FROM complete)) AS bars_open,
countIf(toDate(toTimeZone(window_start, 'America/New_York')) = (SELECT max(d) FROM complete)) AS bars_close
FROM global_markets.delayed_stocks_minute_aggs
WHERE ((window_start >= toDateTime('2026-01-01 00:00:00') AND window_start < toDateTime('2026-01-10 00:00:00'))
OR (window_start >= now() - INTERVAL 8 DAY))
AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) >= 570
AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) < 960
AND ticker NOT IN ('SPCX')
AND ticker NOT IN ('KORU','SOXL','SOXS','SOXY','TQQQ','SQQQ','QQQU','SPXL','SPXS','UPRO','SPXU','SPYU','LABU','LABD','FAS','FAZ','TNA','TZA','YINN','YANG','UDOW','SDOW','BOIL','KOLD','UCO','SCO','USD','SSO','SDS','QLD','QID','ERX','ERY','DRN','DRV','CURE','MUU','SNXX','UVXY','SVXY','UVIX','SVIX','BULZ','WEBL','WEBS','DPST','DRIP','GUSH','AGQ','ZSL','GDXU','GDXD','FNGU','FNGD','DUST','JNUG','JDST','NUGT','BITX','BITU','SBIT','ETHU','ETHT','NVDL','NVDS','NVD','NVDX','NVDU','NVDD','NVDQ','TSLL','TSLQ','TSLZ','TSLR','TSLT','TSLS','TSDD','AAPU','AAPD','MSFU','MSFD','GGLL','GGLS','AMZU','AMZD','METU','METD','PLTU','PLTD','SMCX','SMCZ','CONL','CONI','MSTX','MSTU','MSTZ','BRKU','AMDL','AMUU','AMDD','ELIL','ELIS','HOOX','AVGX','AVGU','TSMX','TSMZ','MULL')
AND ticker IN (SELECT ticker FROM split_terms)
GROUP BY ticker
HAVING bars_open >= 100 AND bars_close >= 100
),
ranked AS (
SELECT e.ticker AS ticker,
round((e.latest_close / e.year_open - 1) * 100, 1) AS unadjusted_ytd_pct,
s.split_price_effect_pct AS split_price_effect_pct,
s.split_type AS split_type,
s.split_date AS split_date
FROM edges AS e
INNER JOIN split_terms AS s ON e.ticker = s.ticker
WHERE e.year_open >= 10 AND e.ticker IN (SELECT ticker FROM universe)
)
SELECT ticker, unadjusted_ytd_pct, split_price_effect_pct, split_type, split_date
FROM (
SELECT ticker, unadjusted_ytd_pct, split_price_effect_pct, split_type, split_date,
row_number() OVER (ORDER BY unadjusted_ytd_pct ASC) AS rn_low,
row_number() OVER (ORDER BY unadjusted_ytd_pct DESC) AS rn_high
FROM ranked
)
WHERE rn_low <= 14 OR rn_high = 1
ORDER BY unadjusted_ytd_pct ASC
Run your own version of this
The same 22 years of US equities and 12 years of options data are queryable in SQL or plain English. A free account runs 100 queries a day and takes no card.
More from this analysisBiggest Stock Gainers & Losers of 2026
The four major index ETFs, year to date, over the same measured window
series 4×4
→
Biggest stock losers of 2026: worst ten year to date among heavily traded names
ranking 10×3
→
Biggest stock gainers of 2026: top ten year to date among heavily traded names
ranking 10×3
→
Year-to-date breadth: how the screened universe is distributed across return buckets
ranking 8×3
→
The screen, stage by stage: how many names survive each filter
ranking 5×2
→
The four major index trackers across the same window, rebased to the first open
series 21×5
→
See all 2,170 queries →