Japan Exchange Group’s 1 October report puts derivatives trading value for April–September 2026 at a half-year record of ¥2,381 trillion, on 243,387,801 contracts. Over the same fiscal first half, Prime Market domestic common stocks averaged ¥10.9291 trillion of daily trading value and ETFs averaged ¥482.8 billion.[1]
Those figures use different units. Cash-market statistics are expressed as average yen value per day, derivatives volume counts contracts, and derivatives value converts the notional exposure into yen. A record notional value can arise from contract design, asset prices and activity; it is not equivalent to exchange revenue, customer profit or the number of unique investors.[1]
First-half activity in the correct units
JPX trading indicators
| Market measure | Reported result | What it measures |
|---|---|---|
| Prime domestic common stocks | ¥10.9291 trillion daily average trading value | Cash equity value traded per daySource 1 |
| ETFs | ¥482.8 billion daily average trading value | Cash ETF value traded per daySource 1 |
| Derivatives volume | 243,387,801 contracts | Number of contracts tradedSource 1 |
| Derivatives trading value | ¥2,381 trillion, a first-half record | Notional value represented by contractsSource 1 |
| Night session | 108,242,525 contracts; 44.5% of derivatives volume | Activity outside the daytime sessionSource 1 |
Night-session volume of 108,242,525 contracts represented 44.5% of total derivatives activity. That share shows how much risk transfer occurs outside the Japanese daytime session, when global news and overseas market movements can be important. It does not mean that every contract or broker offers identical liquidity overnight.[1]
Securities-options volume also reached a first-half record of 3,191,908 contracts. Together with the large night-session share, the figures show the breadth of activity that international brokers’ market access, margin monitoring and client support must accommodate. They do not measure any individual broker’s revenue or profitability.[1]
Sources & further reading
- Trading Overview in September 2026 and the first half of FY2026 Japan Exchange Group · 1 Oct 2026 · Accessed 30 Oct 2026