Gain needed to get back to even after a loss
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 2026-09-12, from The 7% Sell Rule Explained: O'Neil's Stop-Loss.
| loss | loss_pct | gain_needed_pct |
|---|---|---|
| 7% | 7 | 7.5 |
| 10% | 10 | 11.1 |
| 20% | 20 | 25 |
| 33.3% | 33.3 | 49.9 |
| 50% | 50 | 100 |
| 75% | 75 | 300 |
- Rows × columns
- 6 × 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 |
|---|---|---|---|
loss |
text | 6 distinct values (10%, 20%, 33.3%…) | |
loss_pct |
number | 7 to 75 | percent |
gain_needed_pct |
number | 7.5 to 300 | 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.
SELECT
concat(toString(round(loss_pct, 1)), '%') AS loss,
round(loss_pct, 1) AS loss_pct,
round(100 * loss_pct / (100 - loss_pct), 1) AS gain_needed_pct
FROM
(
SELECT arrayJoin([7, 10, 20, 100 / 3, 50, 75]) AS loss_pct
)
ORDER BY loss_pct