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
24Q1 (20)4.403.53-57.810.4615.024.3220.67-3.41137.04199.91-11.54-19.2937.59-37.06-55.22182.99-2.56.11
23Q4 (19)4.25-25.04-57.330.400.033.3321.4033.25134.14226.00-1.73-24.3859.72-11.32-31.43187.685.03-15.04
23Q3 (18)5.67-0.7-9.570.4011.118.1116.060.7510.68229.98-8.69-7.4367.34-3.0742.19178.70-9.9-17.11
23Q2 (17)5.71-45.2577.880.36-2.79.0915.9482.8-43.73251.861.69-8.5369.47-17.2570.1198.3315.01-24.55
23Q1 (16)10.434.72539.880.3723.3323.338.72-4.6-84.37247.68-17.13-17.983.95-3.61121.1172.45-21.94-46.03
22Q4 (15)9.9658.85886.140.30-18.9242.869.14-37.01-89.88298.8620.29-29.9787.0983.8979.86220.912.47-52.86
22Q3 (14)6.2795.33128.00.3712.1294.7414.51-48.78-56.19248.45-9.77-47.0347.3615.96-24.71215.59-17.98-50.92
22Q2 (13)3.2196.93-5.030.3310.0175.028.33-49.225.2275.36-8.72-64.0840.847.56-61.37262.86-17.73-61.78
22Q1 (12)1.6361.39-22.010.3042.860.055.79-38.228.37301.67-29.31-1.5237.97-21.58-10.32319.50-31.823.92
21Q4 (11)1.01-63.27-39.520.2110.53-19.2390.28172.5865.35426.77-9.0121.1648.42-23.02-23.69468.646.6936.47
21Q3 (10)2.75-18.6426.730.1958.33-45.7133.1222.99-20.95469.04-38.8278.462.90-40.51-5.74439.27-36.1484.51
21Q2 (9)3.3861.72158.020.12-60.0-45.4526.93-38.03-61.1766.64150.2784.64105.73149.724.71687.84123.7279.38
21Q1 (8)2.0925.1599.050.3015.3887.543.46-20.4-49.92306.33-13.04-46.2942.34-33.27-41.28307.45-10.47-47.45
20Q4 (7)1.67-23.0415.970.26-25.71-38.154.6030.31-13.78352.2533.9860.8663.45-4.92170.0343.4044.2432.68
20Q3 (6)2.1765.6517.930.3559.092.9441.90-39.47-15.34262.91-36.68-1.2866.73-33.9152.56238.08-37.91-12.49
20Q2 (5)1.3124.76-68.430.2237.5-31.2569.22-20.24215.35415.20-27.246.74100.9740.02124.63383.45-34.4547.51
20Q1 (4)1.05-27.080.00.16-61.90.086.7837.030.0570.34160.450.072.11206.850.0585.01126.040.0
19Q4 (3)1.44-21.740.00.4223.530.063.3327.970.0218.98-17.770.023.50-46.270.0258.81-4.870.0
19Q3 (2)1.84-55.660.00.346.250.049.49125.470.0266.31-5.880.043.74-2.690.0272.064.660.0
19Q2 (1)4.150.00.00.320.00.021.950.00.0282.940.00.044.950.00.0259.950.00.0
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)23.365.611.5535.9615.62-5.33235.44-26.7464.34-23.87186.73-26.3
2022 (9)22.12403.871.1440.7416.50-80.14321.38-28.4984.5117.62253.37-44.99
2021 (8)4.39-23.120.81-24.383.0729.88449.4031.5371.8546.96460.6229.12
2020 (7)5.71-37.181.07-22.4663.9659.26341.6729.2548.8961.89356.7430.05
2019 (6)9.091718.01.3848.3940.16-94.52264.35-32.6230.20-62.55274.31-73.73
2018 (5)0.50-70.410.93-24.39732.49239.93392.3031.7380.65-40.241044.14175.99
2017 (4)1.6946.961.235.13215.48-32.37297.80-4.18134.95-73.6378.33219.83
2016 (3)1.15-29.011.1719.39318.6041.24310.79-16.42511.10-14.31118.2911848.48
2015 (2)1.62-68.540.98-27.94225.57218.42371.8638.49596.43212.170.99-99.33
2014 (1)5.15-11.211.3632.0470.8412.55268.52-23.98191.06-1.18148.30-33.45

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