10-30 butterfly (PCA 34.92% and 65.08% risk on the wings) 18 1 30 1 Sep-13 Aar-14 Sep14 Mar-I5 Sep-I5 Sep-13 Mar-14 Sep-14 Mar-15 Scp-15 SOF* &Vegas an 2-10-30 butterfly (PCA 26.14% and 73.86% risk on the wings) 6 2 -2 -6 -10 -14 -18 -22 26 — Butterfly 2-10-30 SOP.13 Mar-14 Sep-14