| Delivery period | Market | Contract | First trading day | Last trading day | First delivery day | Last delivery day |
|---|---|---|---|---|---|---|
| Weekly | GNLN_S | GNLN_S_28_25 | 5/7/2025 | 7/1/2025 | 7/7/2025 | 7/13/2025 |
| GNLN_S_29_25 | 5/14/2025 | 7/8/2025 | 7/14/2025 | 7/20/2025 | ||
| GNLN_S_30_25 | 5/21/2025 | 7/15/2025 | 7/21/2025 | 7/27/2025 | ||
| GNLN_S_31_25 | 5/28/2025 | 7/22/2025 | 7/28/2025 | 8/3/2025 | ||
| GNLN_S_32_25 | 6/4/2025 | 7/29/2025 | 8/4/2025 | 8/10/2025 | ||
| GNLN_S_33_25 | 6/11/2025 | 8/5/2025 | 8/11/2025 | 8/17/2025 | ||
| GNLN_S_34_25 | 6/18/2025 | 8/11/2025 | 8/18/2025 | 8/24/2025 | ||
| GNLN_S_35_25 | 6/25/2025 | 8/19/2025 | 8/25/2025 | 8/31/2025 | ||
| GNLN_S_36_25 | 7/2/2025 | 8/26/2025 | 9/1/2025 | 9/7/2025 | ||
| GNLN_S_37_25 | 7/9/2025 | 9/2/2025 | 9/8/2025 | 9/14/2025 | ||
| GNLN_S_38_25 | 7/16/2025 | 9/9/2025 | 9/15/2025 | 9/21/2025 | ||
| GNLN_S_39_25 | 7/23/2025 | 9/16/2025 | 9/22/2025 | 9/28/2025 | ||
| GNLN_S_40_25 | 7/30/2025 | 9/23/2025 | 9/29/2025 | 10/5/2025 | ||
| GNLN_S_41_25 | 8/6/2025 | 9/30/2025 | 10/6/2025 | 10/12/2025 | ||
| Monthly | GNLN_L | GNLN_L_Aug_25 | 1/29/2025 | 7/28/2025 | 8/1/2025 | 8/31/2025 |
| GNLN_L_Sep_25 | 2/26/2025 | 8/26/2025 | 9/1/2025 | 9/30/2025 | ||
| GNLN_L_Oct_25 | 3/27/2025 | 9/25/2025 | 10/1/2025 | 10/31/2025 | ||
| GNLN_L_Nov_25 | 4/28/2025 | 10/28/2025 | 11/1/2025 | 11/30/2025 | ||
| GNLN_L_Dec_25 | 5/28/2025 | 11/25/2025 | 12/1/2025 | 12/31/2025 | ||
| GNLN_L_Jan_26 | 6/26/2025 | 12/24/2025 | 1/1/2026 | 1/31/2026 | ||
| GNLN_L_Feb_26 | 7/29/2025 | 1/27/2026 | 2/1/2026 | 2/28/2026 | ||
| GNLN_L_Mar_26 | 8/27/2025 | 2/24/2026 | 3/1/2026 | 3/31/2026 | ||
| GNLN_L_Apr_26 | 9/26/2025 | 3/26/2026 | 4/1/2026 | 4/30/2026 | ||
| Quarterly | GNLN_TR | GNLN_TR_4_25 | 9/26/2024 | 9/25/2025 | 10/1/2025 | 12/31/2025 |
| GNLN_TR_1_26 | 12/27/2024 | 12/24/2025 | 1/1/2026 | 3/31/2026 | ||
| GNLN_TR_2_26 | 3/27/2025 | 3/26/2026 | 4/1/2026 | 6/30/2026 | ||
| GNLN_TR_3_26 | 6/26/2025 | 6/25/2026 | 7/1/2026 | 9/30/2026 | ||
| GNLN_TR_4_26 | 9/26/2025 | 9/25/2026 | 10/1/2026 | 12/31/2026 | ||
| Seasonal | GNLN_SM | GNLN_SM_1_2026 | 12/27/2024 | 12/24/2025 | 1/1/2026 | 6/30/2026 |
| GNLN_SM_2_2026 | 6/26/2025 | 6/25/2026 | 7/1/2026 | 12/31/2026 | ||
| GNLN_SM_1_2027 | 12/29/2025 | 12/28/2026 | 1/1/2027 | 6/30/2027 | ||
| Semester | GNLN_SMG | GNLN_SMG_W_2025 | 9/26/2024 | 9/25/2025 | 10/1/2025 | 3/31/2026 |
| GNLN_SMG_S_2026 | 3/27/2025 | 3/26/2026 | 4/1/2026 | 9/30/2026 | ||
| GNLN_SMG_W_2026 | 9/26/2025 | 9/25/2026 | 10/1/2026 | 3/31/2027 | ||
| Yearly | GNLN_AC | GNLN_AC_2026 | 12/27/2023 | 12/24/2025 | 1/1/2026 | 12/31/2026 |
| GNLN_AC_2027 | 12/27/2024 | 12/28/2026 | 1/1/2027 | 12/31/2027 | ||
| GNLN_AC_2028 | 12/29/2025 | 12/28/2027 | 1/1/2028 | 12/31/2028 | ||
| Yearly for gas year | GNLN_AG | GNLN_AG_2025 | 9/27/2023 | 9/25/2025 | 10/1/2025 | 9/30/2026 |
| GNLN_AG_2026 | 9/26/2024 | 9/25/2026 | 10/1/2026 | 9/30/2027 | ||
| GNLN_AG_2027 | 9/26/2025 | 9/27/2027 | 10/1/2027 | 9/30/2028 |
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