CCF ATheory2022: APublisher: SIAM

SODAACM-SIAM Symposium on Discrete Algorithms

SODA is a rank A conference in Theoretical Computer Science in the CCF list's 7th edition (2026), as in 2022. The SODA 2028 deadline is not announced; past editions suggest early July. SODA 2027 takes place on Jan 24–27, 2027 in Philadelphia, Pennsylvania, USA. Acceptance rate 2025: 29.3% (192/655).

Data updated 8 November 2026 · rank from the CCF list's 7th edition

2028 deadline (forecast)early JulyNot announced
SODA 2027 datesJan 24–27, 2027
VenuePhiladelphia, Pennsylvania, USA
Latest acceptance rate29.3%2025 · 192/655
CCF rankRank A7th edition · Theory
Papers in dblp (2026)243Main proceedings

Latest edition

SODA 2027: call for papers timeline

  1. Jul 10, 2026, 11:59 UTC
  2. Sep 5, 2026, 11:59 UTC
  3. Jan 24–27, 2027Local time
    ConferencePhiladelphia, Pennsylvania, USA

AoE (Anywhere on Earth) is UTC−12 (time zones explained). These dates come from the ccf-deadlines community project and have not yet been checked against the conference website; confirm them there before you submit. Conference website ↗

Past editions

Dates, venues, deadlines and acceptance rates

YearPaper deadlineAcceptancePapers (dblp)DatesVenue
20272026-07-09UTC-12——Jan 24–27, 2027Philadelphia, Pennsylvania, USA
20262025-07-14UTC-12—243Jan 11–14, 2026Hyatt Regency Vancouver, Vancouver, Canada
20252024-07-05UTC-1229.3%192/655 · source192Jan 12–15, 2025New Orleans, Louisiana, USA
20242023-07-13AoE29.4%192/652 · source192Jan 7–10, 2024Alexandria, Virginia, USA
20232022-07-14AoE29.1%190/652 · source190Jan 22–25, 2023Florence, Italy
20222021-07-12UTC-430.1%148/491 · source148Jan 9–12, 2022Online
20212020-07-15UTC-428.1%180/641 · source181Jan 10–13, 2021Online
2020——182——
2019——184——
2018——181——
2017——182——
2016——147——

SODA 2028 deadline forecast: early July (not announced). The last paper deadlines: 2027: Jul 10, 2026; 2026: Jul 15, 2025; 2025: Jul 6, 2024. The conference's own announcement decides.

Paper counts are dblp's main proceedings only, without workshop volumes; acceptance rates link to the page they come from. dblp ↗

CCF list

SODA in the CCF list

7th edition (2026)
CCF A Theoretical Computer Science · no. 2
6th edition (2022)
CCF A Theoretical Computer Science
Name in the list
ACM-SIAM Symposium on Discrete Algorithms
Publisher
SIAM

CCF counts the full (regular) papers of a listed conference: short papers, demos, technical briefs, summaries, Findings and the workshops held with a conference are outside the list. CCF also says the list is a recommendation and should not be used on its own to evaluate research; your institution's rules decide. What counts, case by case →

FAQ

About SODA

What CCF rank is SODA?

SODA is a rank A conference in Theoretical Computer Science in the CCF list's 7th edition (2026), as in 2022.

When is the SODA 2028 deadline?

Not announced yet. The last paper deadlines were 2027: Jul 10, 2026; 2026: Jul 15, 2025; 2025: Jul 6, 2024, so early July is likely; the conference's announcement decides.

Where is SODA 2027?

SODA 2027 takes place on Jan 24–27, 2027 in Philadelphia, Pennsylvania, USA.

What is the SODA acceptance rate?

2025: 655 submissions, 192 accepted, 29.3%. 2024: 29.4% (192/652). The history table links each figure to its source.

Do SODA workshop and short papers count as CCF A?

CCF counts the full (regular) papers of a listed conference: short papers, demos, technical briefs, summaries, Findings and the workshops held with a conference are outside the list. CCF also says the list is a recommendation and should not be used on its own to evaluate research; your institution's rules decide.

In more detail: Which CCF conference papers count · How to read conference deadlines

Sources: the CCF list of recommended international conferences and journals, 7th edition (published 31 March 2026, corrected 9 April 2026) and 6th edition (2022); editions, deadlines and acceptance rates from the ccf-deadlines community project (MIT licence), marked as community data until checked against each conference's website, then marked as checked with the website's own words; proceedings and paper counts from dblp (CC0).