for USDCNH bullish zero cost seagull:
1 Buy 50mio USD call/ CNH put at 7.27
2 Sell 50mio USD call/ CNH put at 7.65
3 Sell 50mio USD put/ CNH call at 6.93
1 Buy 50mio USD call/ CNH put at 7.27
2 Sell 50mio USD call/ CNH put at 7.65
3 Sell 50mio USD put/ CNH call at 6.93