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)0.9418.99104.351.2031.8757.8996.76-16.49-50.775.87-24.38-36.6412.03-26.78-36.35160.60-19.6-45.95
24Q2 (19)0.79-9.216.180.91-2.15-22.88115.8610.7-12.95100.332.1629.8916.4325.0412.07199.755.282.07
24Q1 (18)0.8733.8517.570.9322.37-27.91104.66-25.34-14.5398.21-18.0838.9913.14-6.28-11.1189.73-22.896.39
23Q4 (17)0.6541.3-26.970.760.0-50.33140.18-28.5837.08119.890.13101.914.02-25.8212.61246.05-17.1964.92
23Q3 (16)0.46-32.35-55.340.76-35.59-39.68196.2847.47123.07119.7455.0265.218.9028.9245.05297.1251.83101.52
23Q2 (15)0.68-8.11-44.721.18-8.5314.56133.108.780.1877.249.31-12.214.66-0.819.48195.699.7331.82
23Q1 (14)0.74-16.85-9.761.29-15.6974.32122.4519.749.8870.6619.0-42.5214.7818.71-13.36178.3319.53-17.93
22Q4 (13)0.89-13.59-6.321.5321.4333.04102.2616.227.2459.38-18.07-25.0112.45-4.451.72149.191.19-8.08
22Q3 (12)1.03-16.266.191.2622.336.7887.9919.11-6.272.48-17.61-6.2113.03-2.69-1.14147.44-0.68-6.63
22Q2 (11)1.2350.017.141.0339.19-22.5673.87-33.71-15.0387.97-28.4428.3513.39-21.512.84148.45-31.684.2
22Q1 (10)0.82-13.68-1.20.74-35.65-40.32111.4416.862.0122.9355.2567.6217.0639.386.62217.3033.8930.43
21Q4 (9)0.95-2.06-1.041.15-2.54-30.7295.361.650.179.182.4644.6512.24-7.13-0.41162.302.7817.86
21Q3 (8)0.97-7.627.781.18-11.28-29.3493.817.9-6.9677.2812.7541.8513.181.2315.21157.9110.859.76
21Q2 (7)1.0526.510.961.337.26-18.486.94-20.43-0.8968.54-6.5422.513.02-18.6327.65142.46-14.496.73
21Q1 (6)0.83-13.5420.291.24-25.322.77109.2614.7-17.1573.3433.98-18.4116.0030.192.11166.6020.98-19.17
20Q4 (5)0.966.670.01.66-0.60.6195.26-5.520.954.740.48-0.8312.297.439.05137.71-4.28-0.45
20Q3 (4)0.90-13.460.01.672.450.0100.8314.950.054.48-2.630.011.4412.160.0143.877.780.0
20Q2 (3)1.0450.720.01.6361.390.087.72-33.480.055.95-37.760.010.20-34.910.0133.48-35.240.0
20Q1 (2)0.69-28.130.01.01-38.790.0131.8739.680.089.8962.840.015.6739.040.0206.1048.990.0
19Q4 (1)0.960.00.01.650.00.094.410.00.055.200.00.011.270.00.0138.330.00.0
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)2.90-10.774.26-13.59126.0712.2485.7315.7615.649.22196.1714.01
2022 (9)3.25-12.44.93-2.95112.3214.374.063.0914.324.83172.079.98
2021 (8)3.7113.465.08-9.7798.27-11.9371.8410.8513.66-3.39156.45-3.57
2020 (7)3.27-7.895.63-12.44111.588.5264.8114.214.144.05162.2511.15
2019 (6)3.55-0.566.43-12.4102.820.6656.7514.2113.59-15.06145.987.46
2018 (5)3.572.887.34-12.93102.15-2.7749.6914.8116.00-16.01135.845.07
2017 (4)3.475.478.43-7.67105.06-5.2743.288.3119.05-26.7129.293.54
2016 (3)3.293.139.133.16110.91-2.9439.96-3.125.99-4.2124.87-2.74
2015 (2)3.193.918.8516.6114.27-3.7541.24-14.2627.13-4.17128.39-7.31
2014 (1)3.07-12.297.596.75118.7213.9848.10-6.2728.317.15138.517.32

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