Risk-free arbitrage with Iron Condors converted to Butterflies

Opened one of these on Wednesday and closed on Friday for a small profit after wings tested during Thursday mayhem - I was away from my desk. I'm taking comfort from the demonstration of the resilience of the structure.

Structure: Iron Condor Fly Conversion Arbitrage
Open Date 03-Nov-26
Security SPX
Expiry Date 23-Nov-26
Initial Strikes 7460/7510/7830/7850
Open Credit 25.30
Fly Conversion Strikes 7560/7810
Fly Conversion Date 23-Nov-26
Fly Conversion Debit -
Fly Credit(s) -
Fly Debit 25.00
BtC Debit Date 06-Nov-26
Profit / (Loss) 0.30
Profit / (Loss) % on Initial VaR 1.2%