SPLG Is Now SPYM: What Changed for Holders

SPLG is now SPYM. On 31 October 2025 the SPDR Portfolio S&P 500 ETF was renamed the State Street SPDR Portfolio S&P 500 ETF, its ticker changed from SPLG to SPYM, and the OCC re-symboled every listed option on it the same day. That was a corporate action on the symbol and the name. The fund, its CUSIP, its portfolio and the S&P 500 index it tracks did not move.

What happened to SPLG, and is it still the same fund?

Yes, and that answers most of what a holder wants to know. A ticker change renames the label quote feeds use for a security. It does not touch the security. Anyone holding SPLG into the last October 2025 close held the same number of shares of the same fund the next session, at the same cost basis, with the same purchase dates and the same distribution record attached. Brokers remap the position themselves. On a statement it shows up as a new four letter symbol next to an unchanged quantity.

The CUSIP settles the question. A CUSIP is the nine character identifier that clearing and tax reporting key on, and it is issued to the fund rather than to the ticker. SPLG and SPYM share one. The ticker is a display convenience. The CUSIP is the identity.

The daily tape shows the handoff as two clean spans.

SELECT
    ticker                                                   AS symbol,
    formatDateTime(min(date), '%b %e, %Y')                   AS first_print,
    formatDateTime(max(date), '%b %e, %Y')                   AS last_print,
    countDistinct(date)                                      AS daily_bars,
    round(dateDiff('day', min(date), max(date)) / 365.25, 1) AS years_covered
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('SPLG', 'SPYM')
GROUP BY ticker
ORDER BY min(date)

The old symbol carries 2022 daily bars, running from Oct 16, 2017 through Oct 30, 2025, about 8 years of price history. That span is the history on file under the symbol, not the age of the fund. The new symbol opens on Sep 3, 2024 and has 344 bars behind it as of Sep 25, 2026. Two rows, one fund, and no day that belongs to both.

Where did the SPLG price history go?

Nowhere. It is still filed under the old symbol, which is the real headache for anyone keeping a chart, a watchlist, a screener or a spreadsheet. Price history in most systems is stored per symbol, and a rename opens a new bucket instead of relabelling the old one. Ask for SPLG today and you get a series that stops in October 2025. Ask for SPYM and you get a series that starts there.

SELECT
    formatDateTime(toStartOfMonth(date), '%Y-%m') AS month,
    countDistinctIf(date, ticker = 'SPLG')        AS splg_bars,
    countDistinctIf(date, ticker = 'SPYM')        AS spym_bars
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('SPLG', 'SPYM')
  AND date >= '2025-04-01'
GROUP BY month
ORDER BY month

In 2026-09 the old symbol printed 0 daily bars while the new one printed 18. The two series meet end to end across 18 months of this window. A five year chart built on the old symbol now shows a fund that appears to have stopped trading, and a total return figure spanning the change date quietly drops the earlier half unless the two symbols are stitched together on the CUSIP. The general version of this problem is worth learning once: why ticker symbols break datasets covers the mapping work and where it tends to fail.

Did the price change on the switch date?

No. A rename is not a split or a merger, so there is no price adjustment and no ratio to apply anywhere in the history. The close on the last day under the old symbol and the first close under the new one sit in one continuous series.

SELECT
    toString(date)                         AS session_date,
    ticker                                 AS symbol,
    formatDateTime(date, '%b %e')          AS date_pretty,
    round(toFloat64(max(close)), 2)        AS close,
    round(toFloat64(max(volume)) / 1e6, 1) AS volume_millions
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('SPLG', 'SPYM')
  AND date >= '2025-10-20'
  AND date <  '2025-11-15'
GROUP BY date, ticker
ORDER BY date

Read the symbol column down the table and it flips from SPLG to SPYM partway through. The close walks from $78.97 on Oct 20 to $79.05 on Nov 14 with no step at the handoff, and volume keeps its usual shape across it. Compare that with a true adjustment event, where every historical price is restated by a factor: split adjusted price history walks through what that restatement looks like in the data.

Did the dividend record survive the rename?

The distribution history is continuous through the change. The fund pays quarterly, and the cadence held across the handoff.

SELECT
    toString(ex_dividend_date)                    AS ex_date,
    ticker                                        AS symbol,
    formatDateTime(ex_dividend_date, '%b %e, %Y') AS ex_date_pretty,
    round(toFloat64(max(cash_amount)), 4)         AS cash_amount
FROM global_markets.stocks_dividends
WHERE ticker IN ('SPLG', 'SPYM')
  AND ex_dividend_date >= '2024-01-01'
GROUP BY ex_dividend_date, ticker
ORDER BY ex_dividend_date

The panel holds 11 distributions. The earliest in the window went ex on Mar 18, 2024 at $0.2024 per share, the most recent on Sep 11, 2026 at $0.2391. Watch the symbol column change while the quarterly rhythm does not. For how an S&P 500 fund's yield is actually assembled, and where the cash waits between the index paying and the fund distributing, see the SPY dividend yield and cash drag breakdown.

What happened to SPLG options?

The OCC re-symboled the listed options alongside the ticker. Open positions became contracts on SPYM, with the strike and the deliverable of 100 shares both untouched. No holder had to roll or close anything for the change itself.

SELECT
    formatDateTime(toStartOfMonth(date), '%Y-%m')       AS month,
    countDistinctIf(ticker, underlying_symbol = 'SPLG') AS splg_contracts,
    countDistinctIf(ticker, underlying_symbol = 'SPYM') AS spym_contracts
FROM global_markets.options_greeks
WHERE underlying_symbol IN ('SPLG', 'SPYM')
  AND date >= '2025-08-01'
  AND volume > 0
GROUP BY month
ORDER BY month

The option chain moves with the symbol the same way the stock series does. In 2026-09 there were 389 distinct contracts with recorded volume on the new underlying symbol, against 0 on the old one. A rename is the mildest adjustment the OCC issues. adjusted options after mergers covers the harder cases, where the deliverable itself is rewritten and the contract stops matching 100 shares of anything.

Why State Street renamed the fund

The new symbol lines the core fund up with the rest of the SPDR range: SPYG for growth, SPYV for value, SPYD for high dividend, and now SPYM for plain S&P 500 exposure at the low end of the fee scale. One prefix, one pattern, with the flagship SPY at the front of it. The firm's name was folded into the fund's legal name in the same action.

SELECT
    ticker                                                    AS symbol,
    round(avg(toFloat64(close) * toFloat64(volume)) / 1e6, 0) AS avg_dollar_volume_millions,
    formatDateTime(max(date), '%b %e, %Y')                    AS as_of_stamp
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('SPYM', 'SPYG', 'SPYV', 'SPYD')
  AND date >= today() - 45
GROUP BY ticker
ORDER BY ticker = 'SPYM' DESC, avg_dollar_volume_millions DESC

Over the trailing window ending Sep 25, 2026, SPYM turned over roughly $1081 million of stock a day, against $250 million for SPYG. The fee did not travel with the name: State Street publishes an expense ratio of 0.02% on the fund, which works out to $2 a year on a $10,000 position (issuer figure, checked September 2026).

If you arrived from a fund comparison page

Our side by side of the big index trackers, SPY vs VOO vs SPLG, still carries the old symbol in its title and its panels. Every SPLG reference there means SPYM from 31 October 2025 onward. The fund under comparison is the same one, and the index, structure and fee discussed on that page still describe it. A published URL keeps its slug once readers and search engines have it, so the old symbol stays in the address even after the ticker retires.

FAQ

Is SPYM the same fund as SPLG?

Yes. SPYM is the SPDR Portfolio S&P 500 ETF under a new ticker and a new registered name. Same CUSIP, same portfolio, same S&P 500 index, same expense ratio. The change took effect on 31 October 2025.

Did I need to do anything when SPLG became SPYM?

No. Brokers remapped holdings themselves, and share counts, cost basis, purchase dates and distribution history all carried across. The one thing worth a look is any standing order or price alert keyed to the retired symbol, since platforms differ in how they handle those.

Why does my SPLG chart stop in October 2025?

Price history is stored per symbol on most platforms, and the rename started a fresh series under SPYM. The old bars still exist under SPLG, ending at the last session before the change. Charting the whole history means joining the two symbols on the fund's CUSIP.

What happened to SPLG options contracts?

The OCC re-symboled them to SPYM at the same time, with the strikes and expirations unchanged, and the same 100 share deliverable. An open position carried over as the same economic contract under the new underlying symbol.

Is SPYM the same as SPY?

No. Both track the S&P 500, and they are different funds with different structures and fees. SPY is a unit investment trust dating to 1993, while SPYM is an open end ETF registered under the 1940 Act with a lower expense ratio. The comparison page linked above covers the differences.

Every panel here ships with the SQL that produced it, so the handoff between the two symbols can be checked bar by bar. To trace a symbol change on any other fund, ask the question in plain English on the Strasmore terminal.