If there IS NOT a peace deal between Ukraine and Russia AT ANY POINT between now and March 2023, this market resolves N/A on 1 March 2023.

https://manifold.markets/AndyMartin/will-a-nuclear-weapon-be-launched-i-015e44ed91f5

"Peace deal" is a bit vague, but I'll try to keep it consistent with definitions used in other markets, esp 

https://manifold.markets/Predictor/will-there-be-a-peace-agreement-in

. Worst case I'll use a market to see if a peace deal has been reached, though I expect it will be clearer than that.

https://manifold.markets/citrinitas/given-no-peace-deal-between-ukraine

, in response to Robin Hanson's suggestion at 

https://twitter.com/robinhanson/status/1575642774384578560

. Exactly one of these two markets will N/A.

Sep 29, 8:01pm: Clarified what happens if there's a deal that later falls through: as soon as there's any deal for any length of time, the other market will N/A and this one will go forward.