Seasonality
IOC seasonality.Since 2000, month by month.
IOC share price seasonality since 2000: best month Dec (+4.97% average), worst Oct, weekday patterns and how IOC moves on Budget and RBI policy days.
Best month
Dec
avg +4.97%, up 65% of yearsWorst month
Oct
avg -1.76%, up 42% of yearsYears of data
27
since Jan 2000Latest close
128.83
15 Oct 2026Around India’s big market days
How IOC moved on the day, and 5 days later.
| Event | Average on the day | Closed higher | +5 days | Events |
|---|---|---|---|---|
| Union Budget day | -0.85% | 47% | +0.91% | 32 |
| RBI policy day | -0.14% | 50% | -0.06% | 114 |
| Lok Sabha election results | +1.05% | 40% | +6.19% | 5 |
| Diwali Muhurat trading | +1.29% | 95% | +2.39% | 20 |
Month by month, last 15 years
Monthly % change; averages and up-years use the full history since 2000.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -1.9 | +14.8 | -27.8 | +5.1 | -1.4 | -0.6 | +0.6 | -0.7 | -3.0 | -4.5* | ||
| 2025 | -5.8 | -11.7 | +12.5 | +8.0 | +3.0 | +3.5 | -0.9 | -6.2 | +9.6 | +10.8 | -2.5 | +2.9 |
| 2024 | +13.2 | +12.7 | +1.3 | +0.7 | -3.8 | +2.0 | +9.7 | -2.6 | +1.8 | -20.8 | -2.8 | -1.6 |
| 2023 | +6.9 | -7.0 | +2.4 | +4.5 | +10.6 | +1.4 | +2.7 | -5.0 | +2.1 | -1.4 | +24.6 | +16.2 |
| 2022 | +12.3 | -8.1 | +3.4 | +5.9 | -7.9 | -4.0 | -1.8 | -2.0 | -6.4 | +1.9 | +12.3 | -0.2 |
| 2021 | +2.5 | +5.1 | -6.3 | -1.1 | +20.2 | -1.2 | -4.4 | +7.5 | +13.0 | +2.1 | -7.0 | -6.3 |
| 2020 | -9.6 | -6.8 | -22.8 | +3.1 | -1.2 | +2.6 | +3.6 | -3.0 | -13.9 | +7.6 | +6.4 | +7.5 |
| 2019 | -0.2 | +5.7 | +12.6 | -2.9 | +4.7 | -5.8 | -10.6 | -12.1 | +20.4 | -0.4 | -10.5 | -4.5 |
| 2018 | +7.5 | -9.2 | -6.9 | -8.1 | +7.3 | -10.4 | +5.4 | -5.4 | -1.4 | -9.7 | -2.8 | +1.8 |
| 2017 | +12.7 | +5.1 | +0.5 | +13.7 | -2.4 | -10.3 | -4.6 | +23.7 | -11.9 | +3.7 | -5.3 | -1.3 |
| 2016 | -6.1 | -8.6 | +7.0 | +10.1 | -4.0 | +6.0 | +23.4 | +5.7 | +1.2 | +11.1 | -5.2 | +6.0 |
| 2015 | +4.5 | -4.3 | +10.9 | -2.0 | -1.4 | +8.2 | +11.9 | -3.9 | -3.0 | -0.6 | +5.3 | +1.8 |
| 2014 | +14.6 | +1.2 | +13.4 | -6.5 | +36.7 | -4.3 | -3.9 | +8.5 | +0.8 | +0.5 | +0.2 | -9.0 |
| 2013 | +21.3 | -10.6 | -3.8 | +6.3 | -4.5 | -17.9 | -12.7 | +2.2 | -0.7 | -2.8 | -0.5 | +6.5 |
| 2012 | +13.8 | -1.7 | -7.4 | +1.1 | -3.8 | +0.1 | +5.5 | -10.1 | +3.3 | +4.0 | +1.2 | +2.3 |
| Average | +2.07% | +0.30% | -1.41% | +2.16% | +3.60% | -1.76% | +0.44% | +3.32% | +1.79% | -1.76% | +1.85% | +4.97% |
| Up years | 58% | 48% | 48% | 67% | 44% | 44% | 48% | 44% | 59% | 42% | 54% | 65% |
Monthly % change, close to close. Averages use 26+ complete years; * marks the month in progress.
Day of the week
Average daily change by weekday, share of up days, and the last five years.
Monday-0.040%50% uplast 5y +0.115%
Tuesday+0.009%49% uplast 5y -0.010%
Wednesday+0.169%53% uplast 5y +0.335%
Thursday-0.001%48% uplast 5y +0.055%
Friday+0.139%50% uplast 5y -0.177%
Historical statistics from daily closing prices (adjusted for bonuses and splits). Past patterns do not guarantee future results. This is information, not investment advice.