Risk·Long-term investor··4 min read

The 6 AM buzz that remembered what I forgot

Straddle flow exploding on a biotech position between deadlift sets - and the binary event I had genuinely forgotten was on the calendar.

Gym, 6 AM, between deadlift sets, watch buzzing like it's judging my form. Three mails: a mid-cap biotech I hold - my one flyer position - with calls AND puts printing at the same expiry, both multiples of open interest, implied volatility exploding higher. Not directional flow. Straddle flow. The market wasn't saying up or down; it was saying big, and soon.

The embarrassing part

Between sets I checked the calendar and found what I had genuinely forgotten: the company's pivotal trial readout window opened the following week. I'd bought the position eight months earlier precisely because of that catalyst, and then life happened and the date fell out of my head. The options market remembered for me. That's what a volatility spike with two-sided flow is - the tape circling a date in red.

After the shower I did the reading. News: nothing yet, as expected before a readout. Perplexity deep research on the trial design: endpoints, what the bear case looked like if the data missed, how comparable readouts had moved similar names. The honest answer was a coin flip with a 60% move attached, in both directions.

Sizing, not predicting

I had no edge on the science - pretending otherwise is how flyers become craters. So the move wasn't predicting the readout; it was making sure the position was sized for either outcome. It had grown past the 'I can lose all of this and shrug' line, so I trimmed it back below it and banked the difference. Kept every remaining share through the event, on purpose.

The readout came in mixed, the stock gapped down 38%, and my reaction was a shrug instead of a stomach drop - because the position was sized to be shruggable. The trimmed portion would have been real money. The remaining loss was tuition I'd agreed to in advance.

Two-sided options flow before a date you forgot is the market handing you your own calendar back. The trade isn't up or down - it's whether you're sized for the answer.

If you hold anything with binary events - biotech, court dates, launch windows - flow alerts are the best forgotten-catalyst insurance I know. My watch nagging me mid-workout beat every calendar app I own.