Regulatory News Wrap for Asia
Monday, 2026-08-03 · covering the last ~72 hours
India
Exchanges (NSE/BSE)
The Closing Auction Session (CAS) goes live today, 3 August, replacing VWAP-based closing prices with a genuine auction for all F&O-eligible ("Category I") stocks on NSE, BSE and MSEI. Continuous trading in these names now ends at 3:15pm, followed by a closing auction window to 3:35pm that aggregates buy and sell orders to set the official close, with the equity derivatives trading window correspondingly extended to 3:40pm; non-F&O ("Category II") stocks keep the existing volume-weighted-average methodology for now. The change follows SEBI's 16 January circular and pre-open-auction modifications, and NSE and BSE ran mock trading sessions over the weekend (1 August) to test broker readiness before the live switch. SEBI circular
No other new material NSE or BSE circulars this window beyond routine settlement-calendar, new-listing and surveillance notices.
SEBI
NSE has completed the ₹714.74 crore payment SEBI demanded to settle the decade-old colocation and dark-fibre cases, taking the total settlement to ₹1,491.21 crore. This follows the in-principle settlement letter reported Friday; a formal order from SEBI's whole-time-member panel confirming the settlement, and withdrawal of related Supreme Court proceedings, is still pending. No other material new SEBI circulars, press releases or consultation papers this window; the comment window on the draft Portfolio Managers Regulations, 2026 remains open until 13 August. Business Standard
RBI, IFSCA & other
No material RBI items specific to equity markets or FPIs this window. No new IFSCA circulars or consultation papers bearing on equities.
Rest of Asia — Developed Markets
A quiet window: no material new regulatory or market-structure announcements from Hong Kong (SFC, HKEX), Japan (JFSA, JPX/TSE), Singapore (MAS, SGX RegCo), Australia (ASIC, ASX) or New Zealand (FMA, NZX) this window.
Rest of Asia — Emerging Markets
South Korea: financial authorities are drafting a Capital Markets Act amendment to give themselves emergency power to temporarily cut single-stock leveraged ETF leverage ratios below the current 2x cap during periods of market turbulence. The FSC and FSS are modelling the mechanism partly on Hong Kong's framework, with the draft reportedly including a cap on how long any emergency adjustment can last and a floor on how far the ratio can be cut; this is the concrete legislative form of the emergency-powers plan first flagged last week. Separately, on the first trading day after the minimum cash deposit for these products tripled to 30 million won (31 July), trading value in the affected leveraged ETFs/ETNs fell to roughly a quarter of the prior day's level. Seoul Economic Daily
Elsewhere, a quiet window: no new circulars or structural rule changes from China (CSRC, SSE/SZSE, Stock Connect), Taiwan (FSC, TWSE/TPEx), Thailand (SEC, SET), Indonesia (OJK, IDX), Malaysia (SC, Bursa) or the Philippines (SEC, PSE) this window. The CSRC's review of quantitative and AI-driven trading oversight remains at the symposium stage, with no draft rule published yet.
Industry & broker notes
Nothing distinct from freely available broker/industry commentary this window beyond the items above.
Informational only — summaries of public regulatory sources; not advice.