Mathematical Money
Mathematical MoneyCertificated Individuals
Tiger Certification: MSc. in Power (Electrical) Engineering. Deal Maker!
26Follow
20599Followers
1Topic
0Badge
$COIN 20260626 170.0 PUT$ Cash secured put 
$COIN 20260626 170.0 PUT$ Cash secured put 

Lost 10,000 more MARA shared this week. The position just got better.

Mathematical Money | May 30, 2026 Another 10,000 MARA shares got called away this week. On paper that looks like a worse position. The math says the opposite. If you've been following along, last week's post was about getting called away on the first 2,000. I wrote about how the assignment wasn't a disaster, even though it felt like one. This week the rest of the May expiry wave hit. About 6,500 more shares assigned at $10–$11 strikes when the stock was trading above $14. Plus the earlier 3,500 from May 9 and May 16 expiries that I covered last week. By the time the dust settled, the share count had dropped from 44,546 in mid-May to 34,546 today. Let me show you what that actually did to the position. The FIFO Math Nobody Explains Here's the part most retail traders never see, and it's the
Lost 10,000 more MARA shared this week. The position just got better.
$SPY 20260529 690.0 PUT$ Front spread expire 
$SPY 20260529 675.0 PUT$ Front spread expire 
$MARA 20260529 11.0 CALL$ Keeping the premiums after assignment 
$MARA 20260529 12.0 CALL$ Keeping the premium after assignment 
$MARA Holdings(MARA)$ Assigned to sell 4500 shares at 11
$MARA Holdings(MARA)$ Assigned to sell 4000 shares at 12.
$MARA 20260626 12.0 PUT$ Cash secured put 
$MARA 20260626 12.0 PUT$ Replacing the earlier sell put. Rolling out and up
$MARA 20260605 11.0 PUT$ Closing almost worthless sell put 
$COIN 20260612 175.0 PUT$ Cash secured put 

Go to Tiger App to see more news