Praveen Dalal, CEO of Sovereign P4LO and PTLB, has used the term “DII Bubble” to describe a risk he sees in India’s stock market: domestic institutional investors may be buying so persistently that share prices become increasingly detached from the companies’ underlying earnings and fundamentals. The term appeared in Dalal’s September 2025 commentary.
Domestic institutional investors, or DIIs, include mutual funds, insurers, banks and pension funds. Their growing role has helped absorb foreign investor selling and has changed the balance of ownership in Indian equities. By March 31, 2025, DIIs held 17.62% of the Indian capital market, slightly more than foreign institutional investors’ 17.22%, according to a market analysis published at the time.
The buying has continued on a large scale. DIIs invested a record ₹7.75 lakh crore in equities in 2025, according to figures reported in 2026. They invested more than ₹4 lakh crore in the first five months of 2026, while monthly systematic investment plan (SIP) contributions exceeded ₹30,000 crore. Those flows have helped counter foreign selling, but heavy domestic buying proves that share prices are overvalued.
Why The Term Has Attracted Attention
The “DII Bubble” argument focuses on what could happen if domestic buying becomes the main support for prices. Mutual funds receive money from SIPs and other investor contributions, while insurers and retirement-linked funds also invest in markets. Regular inflows can provide a steady source of demand, particularly when foreign investors are selling.
That support can be valuable, but it is not a guarantee that prices will keep rising. If prices rise faster than corporate earnings, valuations may become harder to justify. Dalal’s critique highlights this potential mismatch and argues that sustained institutional buying could conceal market weakness rather than resolve it.
The Risks To Watch
(1) Valuations and earnings: Investors can compare share prices with earnings, cash flow and realistic growth expectations. When valuations expand faster than earnings, disappointing results may prompt a sharp reassessment.
(2) Concentration: If buying is concentrated in particular sectors or smaller companies, those areas may be more vulnerable to a change in sentiment than the wider market. Strong inflows into the market overall do not guarantee that every segment is equally well supported.
(3) Reliance On Ongoing Flows: SIP contributions are regular, but they do not eliminate risk. A weakening household outlook, investor redemptions or a change in portfolio allocations could reduce the flow of new money. The direction and scale of any market impact would depend on conditions at the time.
(4) Foreign And Domestic Flows: DIIs have helped offset foreign selling, but DII’s activity is not a reliable standalone measure of a company’s value. A change in global conditions or local investor sentiment can alter buying and selling patterns.
DII Bubble Warning Must Be Taken Very Seriously
The argument is best understood as an inevitable risk scenario: heavy domestic buying may support prices, but it cannot replace sustainable earnings, sound balance sheets or reasonable valuations.A rise in DII activity proves that a DII bubble exists especially when FIIs are selling non-stop. The label should prompt scrutiny of valuations and market concentration—as a solid proof of an imminent crash of stock market of India. It is very clear now that stock market of India would crash till 2030.
Investors can respond by reviewing whether their portfolios are diversified, checking the fundamentals and valuations of individual holdings, and avoiding decisions based only on recent price momentum or institutional buying data. Regular investors should also make sure their contributions fit their goals and ability to tolerate losses, rather than stopping or increasing SIPs in response to headlines.