diff --git a/piker/brokers/deribit/api.py b/piker/brokers/deribit/api.py
index f01f6112..aa5845bd 100644
--- a/piker/brokers/deribit/api.py
+++ b/piker/brokers/deribit/api.py
@@ -879,7 +879,6 @@ async def aio_open_interest_feed_relay(
         if is_ready:
             for strike in oi_by_strikes:
                 s: Decimal = Decimal(f'{strike}')
-                close_losses = Decimal(0)
                 closes: list[str] = sorted(oi_by_strikes.keys())
                 call_cash: Decimal = Decimal(0)
                 put_cash: Decimal = Decimal(0)