Win rates lie.
Receipts don’t.

Theta Receipts is a free library of transparent, hypothetical backtests on SPX 0DTE put credit spreads, plus simple calculators that show what a P&L screenshot leaves out. Education only, never signals.

Browse the 0DTE Lab   Try the P&L Reality Check →

99% → −$2,396
In our no-stop backtest, 99% of days won, and the worst single day lost $2,396.
−$182
Worst day with a 2×-credit stop, with total P&L about the same as looser stops.
~21 days
One max-loss day (about −$2,400) erases about 21 average winning days ($113 each).

Latest studies

STUDY 1

The stop that made the worst day 13× smaller

2x-credit stop vs looser stops vs no stop.

STUDY 2

Taking profit at 50% looked safe. It cut P&L by ~81%.

Hold vs 50%/25% take-profit, plus the $0.05 close bonus.

STUDY 3

Anatomy of a losing day: June 5, 2026

A ~6-delta put that “never gets hit” got hit.

STUDY 4

We tested a popular 7-rule put-selling plan

Red-day entries, trend and IV filters, 50% profit-taking, vs buy-and-hold.

Get one study a week

Plain-English backtests. No signals, no hype. Free rule card when you join.

Opens our Beehiiv signup page to confirm. Or subscribe free on Beehiiv. Unsubscribe anytime.