玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)0.36-57.65-56.10.16-71.93-69.81250.61134.76124.78556.80246.01224.46218.79297.22247.95588.61176.88167.28
24Q2 (19)0.8525.04.940.5739.0218.75106.75-20.53-4.68160.92-27.54-15.9855.08-17.27-12.67212.59-26.65-11.59
24Q1 (18)0.683.03-26.880.41-8.89-8.89134.32-3.0337.96222.0910.929.9166.58-6.49-5.51289.828.3326.58
23Q4 (17)0.66-19.51-35.920.45-15.09-2.17138.5224.2456.8200.2316.680.8971.2013.2322.84267.5421.4916.91
23Q3 (16)0.821.2326.150.5310.4289.29111.49-0.45-20.95171.61-10.4-47.6862.88-0.3-23.82220.22-8.41-43.03
23Q2 (15)0.81-12.9-5.810.486.6717.07111.9915.036.36191.53-5.22-14.6963.07-10.49-3.04240.455.02-9.18
23Q1 (14)0.93-9.7169.090.45-2.1787.597.3610.21-41.14202.071.82-46.9870.4621.57-44.75228.960.05-45.35
22Q4 (13)1.0358.46-1.90.4664.2924.3288.34-37.372.3198.46-39.5-18.8757.96-29.78-40.04228.85-40.79-2.33
22Q3 (12)0.65-24.42-9.720.28-31.7112.0141.0433.9511.33328.0346.12-10.482.5426.89-49.85386.5346.017.77
22Q2 (11)0.8656.36-20.370.4170.835.13105.29-36.3524.97224.50-41.09-3.765.05-49.0-37.99264.74-36.8124.61
22Q1 (10)0.55-47.62-6.780.24-35.144.35165.4291.576.71381.0955.78-3.67127.5431.93-19.66418.9778.816.92
21Q4 (9)1.0545.8352.170.3748.05.7186.35-31.84-34.24244.63-33.18-4.6396.67-41.2710.04234.31-28.61-21.89
21Q3 (8)0.72-33.33-22.580.25-35.9-47.92126.6950.3729.18366.1157.0593.08164.6056.91172.2328.2054.4844.44
21Q2 (7)1.0883.0577.050.3969.5718.1884.25-45.65-43.77233.12-41.07-15.44104.90-33.923.43212.46-45.78-34.45
21Q1 (6)0.59-14.495.360.23-34.29-32.35155.0218.06-4.5395.6054.2248.76158.7580.7140.95391.8730.6424.15
20Q4 (5)0.69-25.81-10.390.35-27.08-25.53131.3133.8910.58256.5135.2831.8187.8545.2813.96299.9732.0226.97
20Q3 (4)0.9352.460.00.4845.450.098.07-34.550.0189.62-31.220.060.47-40.380.0227.22-29.890.0
20Q2 (3)0.618.930.00.33-2.940.0149.83-7.70.0275.693.670.0101.42-9.950.0324.102.680.0
20Q1 (2)0.56-27.270.00.34-27.660.0162.3336.70.0265.9336.650.0112.6346.10.0315.6333.590.0
19Q4 (1)0.770.00.00.470.00.0118.750.00.0194.600.00.077.090.00.0236.260.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)3.230.941.7014.09113.05-0.89215.08-12.075.66-17.13252.48-5.5
2022 (9)3.20-4.481.492.76114.074.66244.40-3.1891.30-4.91267.170.66
2021 (8)3.3520.071.45-3.33108.99-16.68252.433.6496.01-7.37265.42-1.95
2020 (7)2.79-11.431.50-20.63130.8112.85243.5626.31103.6535.88270.7116.45
2019 (6)3.153.621.8913.17115.91-3.34192.83-11.8576.28-5.4232.47-9.9
2018 (5)3.04-33.041.67-21.6119.9249.19218.7427.5580.6321.87258.0238.93
2017 (4)4.5494.022.1311.5280.38-48.42171.50-10.2666.16-14.31185.72-31.15
2016 (3)2.34-4.491.91-18.03155.854.42191.1122.1577.215.91269.7515.87
2015 (2)2.45-29.82.332.19149.2542.51156.45-2.2272.90-16.67232.8031.33
2014 (1)3.49-14.672.28-14.29104.7317.32160.0116.887.484.98177.2724.01

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