Two days ago this same bot took a 52% stop-loss in the first seventeen minutes of trading. The market opened, ran straight at the short call, and the bot did what it was built to do — closed the position and went home. We wrote that one up here .

Wednesday was different. Same bot, same 9:32 AM entry, same 20-delta walk, same $100 wings. Different week. Different volatility regime. Different result.

DayEntryExitCreditDebitHoldP&L
Wed May 13SPX $7,395.32SPX $7,405.28$10.20$6.3253 min+$388 (+38.0%)

The thing worth paying attention to isn’t that the bot won today. We know it wins most of its trades by design. What’s interesting is the spread — Monday’s -$397 and Wednesday’s +$388 nearly cancel each other out, and the same configuration produced both. That’s the mechanical edge doing its actual job: variance averaging back toward the expectation.


⚙️ What the Bot Got at the Open

When the bot fires at 9:32 AM, the only thing it’s doing is finding the closest strikes to a 20-delta target on each side. Wings go $100 wide. That’s it. No view, no overlay, no fudge for “feel.”

Here’s what 20-delta meant on each of those days:

DayShort PutShort CallPut CushionCall CushionCredit
Mon May 117360741535 pts20 pts$7.60
Wed May 137380743515 pts40 pts$10.20

The bot wasn’t smarter on Wednesday. It just got handed a much wider call-side cushion — 40 points of room versus Monday’s 20 — because implied volatility was meaningfully higher at the open. Higher IV pushes the same delta further from spot. A bigger credit comes with it: $10.20 versus $7.60.

That extra room is what made today’s $10 SPX move a non-event instead of an emergency.


The 53 Minutes

SPX opened with a slow drift up. By 9:50 the index was at $7,400 and the position was barely changed — sitting around -1%. The bot doesn’t act on noise, so it just sat there.

The next twenty minutes are where today’s trade diverged from Monday’s. Instead of the gamma squeeze, we got steady IV decay. Even with SPX pushing closer to the call side, the position turned positive. The call premium was bleeding faster than the spot move was hurting us, and the put premium — sitting 15 points OTM with shrinking time — was decaying fast too.

By 10:15 SPX was at $7,404 and we were at +28%. By 10:23 SPX touched $7,406 and the P&L peaked north of +35%. The 35% profit target fired on the 10:25 monitoring tick. Position closed for a $6.32 debit.

Credit captured: $10.20 − $6.32 = $3.88 per share, or $388 on the contract. Total time on risk: 53 minutes. The short call ended the trade 30 points OTM — never seriously tested.


Why Two-Day Math Is the Only Math That Matters

Net P&L on this bot across the two trades: -$9.

Two trades. One a clean 52% loser, one a clean 38% winner. The combined outcome is statistical noise. If we’d written off Monday as proof that the bot doesn’t work, we’d have missed today. If we celebrated today as proof that it does, we’d have set ourselves up for the next Monday.

That’s the part that doesn’t fit on a YouTube thumbnail: the bot doesn’t have good days and bad days. It has a distribution. Some samples sit at the left tail. Some at the right. Most of them sit somewhere closer to the middle. Two adjacent draws happened to come from opposite tails, and the average is approximately what we’d expect on a quiet week.


⚠️ What This Doesn’t Mean

This trade also doesn’t mean wider IV is “better.” Higher IV at the open means richer credit and more risk. Monday’s trade had a tighter call cushion partly because IV was modest, and that’s a feature of certain market environments, not a bug. Across hundreds of occurrences, both regimes carry their own edge — neither is something to chase or avoid.

What it does mean is that the cushion you see on the chain at 9:32 AM is doing more work than most retail traders give it credit for. Two days, same delta, twice the call buffer. That’s information.


What Tomorrow Looks Like

Same bot. Same rules. We’ll find out what IV gives us at the open, and the bot will sell what’s there. It might be another 40-point cushion. It might be 18 points. We’ll take what we get and execute the math.

The edge isn’t in this one trade. It’s in the next thousand.



Disclaimer: This log is for educational purposes only. 0DTE options carry significant risk. All trades described here ran in paper-monitoring mode. Always trade within your risk tolerance.