Why Is Polkadot Down Today? DOT Falls 5% After Brief Altcoin Rally

Key takeaways

• Polkadot retreats after its short-lived October price rally
• DOT struggles despite reduced issuance and capped supply
• Traders watch $1.14 support and potential $1.20 recovery

Polkadot (DOT) fell approximately 5% on October 17, reversing part of its recent recovery as selling pressure returned across smaller cryptocurrencies.

DOT traded around $1.16-$1.18 after climbing toward $1.29 on October 10, giving back much of the momentum that followed its earlier double-digit rally.

The pullback comes despite Polkadot's introduction of a 2.1 billion DOT supply cap and reduced token issuance, highlighting the difference between improving token economics and immediate investor demand.

Polkadot Price Reverses After October Rally

DOT began its latest recovery on October 9, climbing from approximately $1.09 to $1.24 as buyers returned following a period of weakness.

The rally continued into October 10, when Polkadot briefly reached $1.29 before losing momentum.

Selling intensified on October 12, with DOT declining approximately 7% and closing near $1.17.

Although the cryptocurrency recovered during October 16 trading, it struggled to maintain momentum above $1.20. By October 17, DOT had slipped back below that threshold.

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The reversal comes amid broader weakness in the altcoin market, where several smaller cryptocurrencies experienced sharp declines as investors reduced exposure to speculative assets.

However, there is no confirmed single Polkadot-specific event responsible for the latest decline.

Instead, the reversal appears consistent with fading short-term momentum and renewed profit-taking following the earlier rally.

DOT Falls Despite Polkadot's New Supply Cap

Polkadot's price weakness contrasts with substantial changes to its tokenomics.

According to Polkadot's official documentation, the network established a maximum supply of 2.1 billion DOT and introduced a declining issuance schedule.

The first reduction took effect on March 14, 2026, cutting the pace at which new tokens enter circulation.

Under the updated model, additional issuance reductions occur every two years, progressively slowing supply growth as Polkadot approaches its maximum token limit.

The changes followed an earlier governance decision that fundamentally altered Polkadot's previous inflationary structure.

Lower issuance potentially reduces dilution for existing token holders because fewer new DOT enter circulation.

However, reduced supply growth does not automatically translate into stronger prices.

If investors sell existing tokens faster than new buyers absorb them, DOT can continue declining even under a more restrictive issuance schedule.

This distinction is especially relevant during periods of weak altcoin demand, when token economics may have less influence on short-term trading than liquidity and investor sentiment.

Polkadot's broader development strategy also includes changes to staking incentives and network infrastructure, reflecting efforts to strengthen the ecosystem beyond simply adjusting token supply.