https://www.heromarkets.com/trading/cfd-expiry-dates 2026-01-28T17:30:02.000Z weekly 0.7 https://www.heromarkets.com/trading/weekly-cfd-expiry-date-rollover 2026-01-28T17:36:24.000Z weekly 0.7 https://www.heromarkets.com/trading/tied-agents 2026-01-28T17:20:22.000Z weekly 0.7