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Pump fun experiences significant growth due to whale investments

9/17/2026, 01:55 PM • Evgenia Sliv

(edited: 09/17/2026)

Pump fun experiences significant growth due to whale investments

Pump fun (PUMP) has demonstrated notable growth over the past day, increasing by double digits. According to reports, the market growth has led to an influx of capital from perpetual markets, amounting to approximately $40.83 million, raising the total open interest to $355.08 million. Open interest is a metric that reflects the volume of capital invested in the perpetual market, and its increase indicates that traders are taking more long positions than short ones. The funding rate rose from approximately 0.0007% to 0.0072% within a day, indicating an optimistic sentiment among traders for the short term.

Whales, or large investors, are actively participating in the growth of PUMP, as evidenced by a positive Whale Retail Delta of 0.274. This level indicates that active whale purchases significantly impact price movement. Additionally, overall market confidence is improving: according to CoinMarketCap, the current sentiment score has reached 3.53. The increase in whale purchases and the rise in sentiment create favorable conditions for further price growth of PUMP in the short term.

An optimistic trend is also observed among spot investors. Over the past 12 hours, net purchases have exceeded sales, with a total capital flow of -$1.13 million. Outflows indicate that more PUMP has moved into private wallets, suggesting investor expectations. Continued spot purchases may contribute to strengthening the overall price movement of PUMP.

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