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Four January 2021 squeezes: price multiple and short interest before and after (as-traded prices)

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 2026-08-22, from What Is a Short Squeeze? GameStop, Measured.

as of table 4×6read in context →
Four January 2021 squeezes: price multiple and short interest before and after (as-traded prices) — 4 rows by 6 columns, computed from US exchange, SIP and OPRA data.
tickerjan_lowjan_highlow_to_high_multipleshort_dec31_mshort_feb12_m
KOSS2.8217461.70.60.3
GME17.05513.1230.171.216.5
AMC1.9125.813.53948.1
BB6.5228.774.439.632.4
Rows × columns
4 × 6
Computed
Completeness
No missing values
Source
US exchange, SIP and OPRA market data
Licence
Strasmore terms · free, no signup
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Four January 2021 squeezes: price multiple and short interest before and after (as-traded prices), derived from the stored result.
ColumnTypeRangeNotes
ticker text 4 distinct values (AMC, BB, GME…)
jan_low number 1.91 to 17.05 US dollars
jan_high number 25.8 to 513.12 US dollars
low_to_high_multiple number 4.4 to 61.7 US dollars
short_dec31_m number 0.6 to 71.2
short_feb12_m number 0.3 to 48.1

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 px AS (
    SELECT ticker,
           round(min(toFloat64(low)), 2) AS jan_low,
           round(max(toFloat64(high)), 2) AS jan_high,
           round(max(toFloat64(high)) / min(toFloat64(low)), 1) AS low_to_high_multiple
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE ticker IN ('GME', 'AMC', 'KOSS', 'BB')
      AND window_start >= '2021-01-04 04:00:00'
      AND window_start < '2021-01-30 04:00:00'
    GROUP BY ticker
),
si AS (
    SELECT ticker,
           round(anyIf(short_interest, settlement_date = '2020-12-31') / 1e6, 1) AS short_dec31_m,
           round(anyIf(short_interest, settlement_date = '2021-02-12') / 1e6, 1) AS short_feb12_m
    FROM global_markets.stocks_short_interest
    WHERE ticker IN ('GME', 'AMC', 'KOSS', 'BB')
      AND settlement_date IN ('2020-12-31', '2021-02-12')
    GROUP BY ticker
)
SELECT px.ticker AS ticker,
       px.jan_low AS jan_low,
       px.jan_high AS jan_high,
       px.low_to_high_multiple AS low_to_high_multiple,
       si.short_dec31_m AS short_dec31_m,
       si.short_feb12_m AS short_feb12_m
FROM px
INNER JOIN si ON px.ticker = si.ticker
ORDER BY px.low_to_high_multiple DESC

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